Thursday, April25, 2019 L-36.com


Marine Weather and Tides
Tierra Verde, FL

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:54AMSunset 8:01PM Thursday April 25, 2019 7:59 PM EDT (23:59 UTC) Moonrise 12:17AMMoonset 11:00AM Illumination 60% Phase: Waning Gibbous; Moon at 21 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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GMZ853 Coastal Waters From Englewood To Tarpon Springs Fl Out 20 Nm- 254 Pm Edt Thu Apr 25 2019
Tonight..South winds 5 to 10 knots then becoming southwest around 15 knots after midnight. Seas 2 to 3 feet. Bay and inland waters a moderate chop. A slight chance of Thunderstorms.
Friday..West winds around 15 knots then becoming northwest late in the afternoon. Seas 2 to 3 feet. Bay and inland waters a moderate chop. Showers likely and a slight chance of Thunderstorms.
Friday night..Northwest winds around 15 knots diminishing to 5 to 10 knots late in the evening, then becoming north around 15 knots after midnight. Seas 2 to 3 feet. Bay and inland waters a moderate chop.
Saturday..Northeast winds around 15 knots diminishing to 5 to 10 knots in the late morning and early afternoon, then becoming northwest late in the afternoon. Seas 2 to 3 feet. Bay and inland waters a moderate chop.
Saturday night..Northwest winds around 10 knots then becoming east after midnight. Seas 2 feet. Bay and inland waters a light chop.
Sunday..Southeast winds around 10 knots then becoming southwest around 5 knots early in the afternoon, then becoming west around 5 knots late in the afternoon. Seas 2 feet. Bay and inland waters a light chop.
Sunday night..North winds around 5 knots then becoming east around 10 knots after midnight. Seas 2 feet or less. Bay and inland waters a light chop.
Monday..East winds around 10 knots diminishing to around 5 knots early in the afternoon, then becoming northeast around 10 knots late in the afternoon. Seas 2 feet or less. Bay and inland waters a light chop.
Monday night..Northeast winds 5 to 10 knots then becoming east around 15 knots in the late evening and overnight. Seas 2 feet. Bay and inland waters a moderate chop.
Tuesday..East winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 254 Pm Edt Thu Apr 25 2019
Synopsis.. High pressure across the east gulf of mexico from the atlantic this afternoon slides east tonight as a cold front approaches from the west. This front reaches the coastal waters early Friday and moves onshore during the day then stalls over or offshore south florida during the weekend...as weak high pressure settles in along the northern gulf coast. This high tracks out over the atlantic and strengthens early in the week while stretching back across the gulf of mexico.


7 Day Forecast for Marine Location Near Tierra Verde, FL
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location: 27.61, -82.72     debug


Area Discussion for - Tampa Bay, FL
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Fxus62 ktbw 251855
afdtbw
area forecast discussion
national weather service tampa bay ruskin fl
255 pm edt Thu apr 25 2019

Short term (this afternoon - Friday)
Mid level ridging along the eastern seaboard this afternoon slides
out over the atlantic tonight as a short wave trough with an
associated cold front near the lower mississippi valley propagates
eastward. The trough front track across the eastern gulf coast fl
panhandle later tonight and early Fri then over the fl peninsula
during the morning and afternoon.

Winds become southerly tonight and southwesterly ahead of the front
fri with increasing moisture... Models all indicate a band of pwat
values close to 2 inches in advance of the front. This moisture
along with lift from the upper trough front and some instability
from limited daytime heating will support showers and
thunderstorms... With scattered to numerous coverage. These begin
pushing into the nature coast shortly before sunrise and central
then southern counties between mid morning and mid afternoon. A
few storms could become strong to marginally severe. The greatest
threat will be isolated damaging wind gusts... Along with small
hail and lightning.

Mid term long term (Friday night - Thursday)
A negatively tilted upper level trough will be lifting out to the
northeast up along the eastern seaboard Friday night with an
attendant cold front and band of showers and storms along and ahead
it exiting to the south of the forecast area. In the wake of theses
features a zonal flow aloft develops during the weekend followed by
upper level ridging building in over the gulf florida during the
early and middle part of next week in response to upper troughing
over the western u.S.. At the surface high pressure building in over
the southeastern states and northern gulf during the weekend will
shift east into the atlantic early next week and will extend back to
the west across the northern peninsula through Thursday with a low
level east-southeast wind flow expected across the forecast area. A
fairly dry and increasingly subsident air mass under the ridging
should keep overall rain chances out of the forecast with only
perhaps some isolated diurnal showers (pops 20 percent) possible
over central and southern interior zones along the sea breeze during
Wednesday and Thursday afternoons as low level moisture slowly
increases across the area. Near seasonal level temperatures on
Saturday will climb to above normal through the remainder of the
period with overnight lows warming to the mid and upper 60s with
even some lower 70s along the coast by early next week, with daytime
highs climbing into the upper 80s to around 90 each afternoon.

Aviation
25 18z tafs. Clouds continue to increase and slowly lower but have
opted to maintainVFR CIGS into the extended period. Approaching
front will provide vcts shra at 11z for northern terminals... Then
spread east and south. Limited br possible at lal and pgd 09-14z. Sw
winds become southerly aft 03-05z then SW and gusty aft 14z.

Marine
Prevailing winds seas 15 knots 4 feet or less as a cold front
moves in Fri bringing showers thunderstorms with locally higher
winds and seas and a shift in wind direction. Week high pressure
settles in along the northern gulf for the weekend then slides out
over the atlantic for early next week... Strengthening as it
reaches back to the gulf.

Fire weather
Increasing moisture ahead of an approaching front will preclude
any low rh concerns for Fri but dry air works in Sat with the rh
at 35 percent or less... However winds will be light and not create
red flag conditions. Robust winds... 20 foot and transport... Will
result in high dispersion indices Friday. Moisture returns sun
with the minimum rh staying above critical levels.

Preliminary point temps pops
Tpa 70 81 63 85 10 80 0 0
fmy 70 86 65 87 0 50 0 0
gif 67 83 61 86 10 70 0 0
srq 70 81 65 85 0 70 0 0
bkv 67 81 59 86 30 60 0 0
spg 70 78 65 86 10 80 0 0

Tbw watches warnings advisories
Fl... None.

Gulf waters... None.

Short term aviation marine fire weather... 09 rude
mid term long term decision support... 57 mcmichael


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MTBF1 8 mi41 min WSW 8.9 G 9.9 76°F 1014 hPa68°F
CLBF1 9 mi65 min SSW 7 G 9.9 80°F 1013.4 hPa
PMAF1 9 mi47 min 77°F 77°F1013.8 hPa
42098 11 mi59 min 75°F2 ft
SAPF1 - 8726520 - St. Petersburg, FL 12 mi47 min SSW 8.9 G 9.9 77°F 76°F1014.2 hPa
GCTF1 16 mi41 min 76°F 1013.9 hPa68°F
OPTF1 - 8726607 - Old Port Tampa, FL 19 mi41 min S 9.9 G 11 76°F 76°F1013.9 hPa
CWBF1 - 8726724 - Clearwater Beach, FL 26 mi47 min S 13 G 16 75°F 77°F1013.7 hPa
MCYF1 26 mi41 min 80°F
TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL 27 mi41 min SSW 7 G 9.9
TSHF1 - 8726667 - East Bay Causeway, FL 27 mi41 min S 9.9 G 12
42013 - C10 - Navy-2 32 mi89 min S 7.8 75°F 75°F1014.5 hPa
FHPF1 - Fred Howard Park, FL 38 mi125 min SSW 11 G 13 76°F 1014.9 hPa
VENF1 - Venice, FL 40 mi59 min SSW 11 G 11 76°F 76°F1014.2 hPa (-0.7)70°F

Wind History for C-Cut, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Albert Whitted Airport, FL12 mi66 minSW 710.00 miFair93°F66°F42%1013.5 hPa
Sarasota / Bradenton, Sarasota-Bradenton International Airport, FL17 mi66 minSSW 1010.00 miFair78°F66°F69%1013.6 hPa
Macdill Air Force Base, Fl., FL20 mi2.1 hrsSSW 1210.00 miMostly Cloudy78°F68°F72%1014.5 hPa
St. Petersburg/Clearwater Airport, FL21 mi66 minSSW 1110.00 miFair77°F64°F64%1013.9 hPa

Wind History from SPG (wind in knots)
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Last 24hrW10--------------------S8S8S8S6SE6SE5S10SW10
G18
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SW10SW10S10SW7
1 day ago--N10------------------S6S5S5S5SE5SE4E3CalmCalmCalmCalmW12W15
2 days agoNW8--------------------SE6SE5SE5SE5E7E8E8NE5NE4E4NE4N7W8

Tide / Current Tables for Egmont Key, Egmont Channel, Tampa Bay, Florida
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Egmont Key
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Thu -- 01:16 AM EDT     Moonrise
Thu -- 06:57 AM EDT     Sunrise
Thu -- 12:00 PM EDT     Moonset
Thu -- 03:32 PM EDT     1.98 feet High Tide
Thu -- 08:01 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-00.10.30.50.811.11.11.21.21.21.31.51.71.9221.91.61.410.70.40.1

Tide / Current Tables for Tampa Bay Entrance (Egmont Channel), Florida Current
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Tampa Bay Entrance (Egmont Channel)
Click for Map
Thu -- 01:16 AM EDT     Moonrise
Thu -- 02:24 AM EDT     0.00 knots Slack
Thu -- 06:02 AM EDT     1.10 knots Max Flood
Thu -- 06:57 AM EDT     Sunrise
Thu -- 11:14 AM EDT     0.25 knots Min Flood
Thu -- 12:00 PM EDT     Moonset
Thu -- 03:35 PM EDT     0.74 knots Max Flood
Thu -- 06:25 PM EDT     -0.00 knots Slack
Thu -- 08:01 PM EDT     Sunset
Thu -- 10:34 PM EDT     -1.43 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1.1-0.7-0.20.30.711.110.80.50.30.30.30.40.60.70.70.60.2-0.3-0.8-1.2-1.4-1.4

Weather Map and Satellite Images
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wmap_A
GOES Local Image of    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Tampa Bay, FL (19,4,5,8)
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Ground Weather Radar Station Tampa Bay Area, FL
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Gulf Stream Current


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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.